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The swage lock aluminum rectangular bar grating is made of 6063 aluminum and has a smooth finish. The swage lock grating withstands a heavier load than plank grating, making it suitable for floors and walkways. It is manufactured through a process called swaging where pressure is applied to reshape the cross rods and ensure strength through the bar intersections. The 6063 aluminum alloy, also known as architectural aluminum, is a medium-strength material that has excellent corrosion resistance and is lightweight. The material is nonmagnetic.